Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air
Edition 2013-11

Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air
Edition 2018-05

Connectors for electronic equipment - Tests and measurements - Part 16-21: Mechanical tests on contacts and terminations - Test 16u: Whisker test via the application of external mechanical stresses
Edition 2012-06

Switches for household and similar fixed electrical installations - Part 2-6: Particular requirements - Fireman´s switches for exterior and interior signs and luminaires
Edition 2012-03

Semiconductor devices - Mechanical and climatic test methods - Part 3: External visual examination
Edition 2017-06

Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code)
Edition 2002

Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code)
Edition 2021-10

Internal and external fault behaviour of safety related electronic parts of gas appliances
Edition 1997

External cathodic protection of well casings
Edition 2022-05-04

Internal and/or external protective coatings for steel tubes. Specification for hot dip galvanized coatings applied in automatic plants
Edition 1998-01-01